<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			.header{
				margin: 0 auto;
				width: 970px;
				height: 103px;
				/* background-color: red; */
			}
			.header .logo{
				width: 277px;
				height: 103px;
				background-color: red; 
				float: left;
			}
			.header .nav_lan{
				width: 679px;
				height: 103px;
				/* background-color: greenyellow; */
				float: right;
			}
			.header .nav_lan .lan{
				width: 137px;
				height: 49px;
				background-color: greenyellow;
				float: right;
			}
			.header .nav_lan .nav{
				width: 679px;
				height: 46px;
				background-color: greenyellow;
				margin-top: 8px;
				float: right;
			}
			.center{
				margin: 0 auto;
				width: 970px;
				height: 435px;
				background-color: orange;
				margin-top: 10px;
			}
			.footer{
				margin: 0 auto;
				width: 970px;
				height: 35px;
				background-color: blue;
				margin-top: 10px;
			}
		</style>
	</head>
	<body>
		<div class="header">
			<div class="logo"></div>
			<div class="nav_lan">
				<div class="lan"></div>
				<div class="nav"></div>
			</div>
		</div>
		<div class="center"></div>
		<div class="footer"></div>
	</body>
</html>
